At a time when aesthetics seem to be an "indispensable" asset, techniques for whitening teeth (whitening or dental lightening) are becoming more and more successful, and are the subject of research work by specialists.
So how to choose the right technique and solution for teeth whitening? It is essential to know the principle of this treatment and its side effects to better understand its indications and limitations.
Yellow or gray teeth
The role of the dental surgeon is to inform the patient of both the expected and expected effects of tooth whitening and its side effects. The main principle lies in bringing a lightening agent, oxygenated water, into contact with the colored pigments contained in the tooth.
> According to an oxidation process, this chemical agent transforms dark molecules into lighter molecules.
> The lightening agent comes in different forms (powder or gel), and at different concentrations, and its action can be increased by the presence of light or heat (means used by the dentist).
To lighten teeth, it is important to make the indication of this treatment. There are two main types of teeth staining: "yellow" teeth and "gray" teeth.
The yellow colorings are the simplest to clear, because they are close to white at the end of treatment. Conversely, lightening of gray teeth is much more difficult to obtain. In the same way, the more the tooth has a homogeneous shade, the better the result.
Finally, it is important to remember that only natural teeth can be thinned out, thus excluding from this treatment all reconstitution in resin or ceramic.